Matter
The door is opaque. This physical property is an example of _____.
What is clarity?
The 3 subatomic particles.
What are protons, neutrons, and electrons?
Periods on the periodic table determine the number of ______.
What are shells?
Ions are atoms that _______.
What is lost or gained electrons?
This scientist discovered the presence of the neutron.
Who is Chadwick
The particles of this state of matter have the strongest attraction to one another.
What is a solid?
Number of neutrons = ____________________.
What is Atomic Mass - Atomic Number?
Elements in the same group (family) have similar ______.
What are characteristics?
Ionic bonds are between which types of elements?
What is a metal and a non-metal?
What is the name of a compound formed between sodium and nitrogen?
What is sodium nitride
A pure substance that cannot be physically or chemically broken down any further.
What is an element?
Group number determines....
What is valence electrons.
Halogens have ____ valence electrons.
What is 7?
What is the chemical formula formed between hydrogen and oxygen?
What is H2O
According to the particle theory of matter, particles do this when the temperature increases.
What is move faster?
The nucleus of the Bohr-Rutherford diagram contains these.
What are protons and neutrons?
The most reactive metals are in this category.
What are Alkali metals?
The net charge of an ion =
What is protons + electrons?
What is NH3
Burning wood is an example of this kind of change.
What is chemical?
The electrons move around the nucleus on these.
What are shells?
A characteristic of this category is colourless, odourless gas.
What are noble gasses?
Ionic compounds are represented using this type of diagram.
What are Bohr-Rutherford Diagrams?
What is the most the common name of CH4?
What is methane?